RSS 1.0Artigos - Materiais Odontológicos e Prótese - ICT
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Full-Crown Versus Endocrown Approach: A 3D-Analysis of Both Restorations and the Effect of Ferrule and Restoration Material
Tribst, João Paulo Mendes
; Dal Piva, Amanda Maria de Oliveira ; ; Bottino, Marco Antonio ; ; (Journal of Prosthodontics, 2020) [Artigo]
Purpose: To assess stress distribution in full-crowns with a composite buildup and endocrowns under axial or oblique loads, both with different ferrules (1 or 2 mm) and ceramic materials (glass ceramic or hybrid ceramic). ... -
Evaluation of the masticatory biomechanical function in Down syndrome and its Influence on sleep disorders, body adiposity and salivary parameters
Gomes, Mônica Fernandes; Giannasi, Lilian Chrystiane ; Fillietaz-Bacigalupo, Elaine ; de Mancilha, Gabriela Pinto ; de Carvalho Silva, Gabriela Raine ; Soviero, Laura Dias ; da Silva, Gabriella Yasmin Santos ; Nazario, Letícia de Miguel ; Dutra, Marignês Theotonio dos Santos ; et al. (Journal of Oral Rehabilitation, 2020) [Artigo]
Objective: To evaluate the phenotypic features of the masticatory biomechanics in atypical subjects with Down syndrome (DS). Its influence was analysed on sleep disorders, body adiposity and its risks, and some physicochemical ... -
The influence of custom-milled framework design for an implant-supported full-arch fixed dental prosthesis: 3D-FEA sudy
Tribst, João Paulo Mendes; dal Piva, Amanda Maria de Oliveira ; ; Borges, Alexandre Luiz Souto ; Bottino, Marco Antonio ; ; (International Journal of Environmental Research and Public Health, 2020) [Artigo]
The current study aimed to evaluate the mechanical behavior of two different maxillary prosthetic rehabilitations according to the framework design using the Finite Element Analysis. An implant-supported full-arch fixed ... -
Repair bond strength of a CAD/CAM nanoceramic resin and direct composite resin: Effect of aging and surface conditioning methods
; Dal Piva, Amanda Maria de Oliveira; ; ; Bottino, Marco Antonio ; ; (Journal of Adhesive Dentistry, 2020) [Artigo]
Purpose: To evaluate the effect of surface conditioning methods and aging on the repair bond strength between resin composite and nanoceramic CAD/CAM resin. Materials and Methods: Twenty-four blocks of nanoceramic CAD/CAM ... -
Does the prosthesis weight matter? 3D finite element analysis of a fixed implant-supported prosthesis at different weights and implant numbers
Tribst, João Paulo Mendes; de Oliveira Dal Piva, Amanda Maria ; Borges, Alexandre Luiz Souto ; ; Bottino, Marco Antonio ; (Journal of Advanced Prosthodontics, 2020) [Artigo]
PURPOSE. This study evaluated the influence of prosthesis weight and number of implants on the bone tissue microstrain. MATERIALS AND METHODS. Fifteen (15) fixed full-arch implant-supported prosthesis designs were created ... -
Survival probability of zirconia-reinforced lithium silicate ceramic: Effect of surface condition and fatigue test load profile
Dal Piva, Amanda Maria de Oliveira; Tribst, João Paulo Mendes ; ; ; ; Bottino, Marco Antonio ; (Dental Materials, 2020) [Artigo]
Objectives: The present investigation evaluated the step stress accelerated test (SSALT) load profiles on the survival probability of a glass ceramic under two surface conditions (polished or roughened). Methods: Suprinity–ZLS ... -
Different surface treatment protocols of a Y-TZP ceramic with a superficial glaze layer
Miranda, Jean Soares; de Carvalho, Ronaldo Luís Almeida ; Barcellos, Aline Serrado de Pinho ; ; Kimpara, Estevão Tomomitsu ; (Brazilian Journal of Oral Sciences, 2019) [Artigo]
Aim: evaluate the influence of etching time with hydrofluoric acid on the bond strength of a Yttrium-stabilized polycrystalline tetragonal zirconia (Y-TZP) ceramic with a superficial glaze layer and a resin cement. Methods: ... -
Effect of air-particle-abrasion protocols on surface roughness and early biofilm formation of zirconia
; Pereira, Priscilla Cristoforides; ; de Oliveira Dal Piva, Amanda Maria ; Moura, Dayanne Monielle Duarte ; ; Bottino, Marco Antonio ; (Oral Health and Preventive Dentistry, 2020) [Artigo]
Purpose: The air-particle-abrasion on zirconia in the gingival area of connectors and pontics in fixed partial dentures appears to increase fracture resistance. This study evaluated 'in situ' biofilm formation on the ... -
Torque maintenance capacity, vertical misfit, load to failure, and stress concentration of zirconia restorations cemented or notched to titanium bases
Adolfi, Dario; Tribst, João Paulo Mendes ; Borges, Alexandre Luiz Souto ; Bottino, Marco Antonio (International Journal of Oral and Maxillofacial Implants, 2020) [Artigo]
Purpose: Different titanium bases for implant-supported prostheses can present different mechanical behavior. The goal of this study was to evaluate the torque before and after fatigue, the load to failure, and stress ... -
Lithium disilicate crown, zirconia hybrid abutment and platform switching to improve the esthetics in anterior region: A case report
Adolfi, Dario; Tribst, João Paulo Mendes ; ; Dal Piva, Amanda Maria de Oliveira ; Saavedra, Guilherme de Siqueira Ferreira Anzaloni ; Bottino, Marco Antonio (Clinical, Cosmetic and Investigational Dentistry, 2020) [Artigo]
The hybrid abutment emerged as an alternative to maintain a stable and favorable volume of peri-implant tissue; it is composed of a mesostructure in ceramic and a metallic connection, which can be machined according to the ... -
Effect of repeated firings and staining on the mechanical behavior and composition of lithium disilicate
Miranda, Jean Soares; Barcellos, Aline Serrado de Pinho ; ; ; ; Kimpara, Estevão Tomomitsu (Dental Materials, 2020) [Artigo]
Objective: To evaluate the composition, flexural strength and fatigue behaviour of lithium disilicate ceramic (LD) after repeated firings and different staining techniques. Methods: LD discs were fabricated and divided ... -
Effect of finishing/polishing techniques and low temperature degradation on the surface topography, phase transformation and flexural strength of ultra-translucent ZrO2 ceramic
; ; ; ; ; ; Bottino, Marco Antonio; (Dental Materials, 2020) [Artigo]
Objective: To investigate the effect of different surface finishing and polishing regimes and low temperature degradation on flexural strength, phase transformation and surface topography of ultra-translucent ZrO2 ceramic. ... -
Effect of different repair methods on the bond strength of resin composite to CAD/CAM materials and microorganisms adhesion: An in situ study
; ; de Oliveira Dal Piva, Amanda Maria; Bottino, Marco Antonio ; ; ; (Journal of Dentistry, 2020) [Artigo]
Objective: To evaluate the influence of different repair protocols andin situ aging on colony forming units (CFU) and shear bond strength (SBS) between CAD/CAM materials and resin composite. Methodology: 150 blocks (6 × 5 ... -
Biaxial flexural strength and Weilbull characteristics of adhesively luted hybrid and reinforced CAD/CAM materials to dentin: effect of self-etching ceramic primer versus hydrofluoric acid etching
Tribst, João Paulo Mendes; Dal Piva, Amanda Maria de Oliveira ; Lopes, Gabriel Cirone ; Borges, Alexandre Luiz Souto ; Bottino, Marco Antonio ; ; de Melo, Renata Marques (Journal of Adhesion Science and Technology, 2020) [Artigo]
This study evaluated the influence of the surface treatment and aging on the biaxial flexural strength of ceramic materials cemented to a dentin analogue. One hundred twenty disc-shaped specimens were allocated into 12 ... -
Influence of Socket-shield technique on the biomechanical response of dental implant: three-dimensional finite element analysis
Tribst, João Paulo Mendes; Dal Piva, Amanda Maria de Oliveira ; Borges, Alexandre Luiz Souto ; Bottino, Marco Antonio (Computer Methods in Biomechanics and Biomedical Engineering, 2020) [Artigo]
This study evaluated the bone microstrain, displacement, and stress distribution according to the surgical technique (conventional or Socket-shield) and evaluation period (immediately after implant installation or after ... -
Effect of different materials and undercut on the removal force and stress distribution in circumferential clasps during direct retainer action in removable partial dentures
Tribst, João Paulo Mendes; Dal Piva, Amanda Maria de Oliveira ; Borges, Alexandre Luiz Souto ; Araújo, Rodrigo Máximo ; da Silva, João Maurício Ferraz ; Bottino, Marco Antonio ; ; (Dental Materials, 2020) [Artigo]
Objectives: This study aimed to evaluate the effect of different materials and undercut on the removal force and stress distribution in the supporting tooth and in the circumferential clasp used in removable partial ... -
Color assessment in dental prostheses: The use of smartphones as process tools
Jourdan Albert, Charles; Nobrega Da Silva, Elielson ; Moreira Penteado, Marcela ; Renó De Lima, Dimas ; Tomomitsu Kimpara, Estevão ; Shigueyuki Uemura, Eduardo (Brazilian Dental Science, 2019) [Artigo]
Accurate color selection of direct or indirect dental restorations is a subjective task. Mobile phones are tools that may minimize color assessment errors. The objective was to use photographs taken with smartphones to ... -
Evaluation of peri-implant condition in periodontally compromised patients
Da Rocha Scalzer Lopes, Guilherme; ; ; De Matos, Jefferson David Melo ; ; ; ; Nishioka, Renato Sussumu ; (The Journal of Indian Prosthodontic Society, 2019) [Artigo]
Aims: The aim of the study is to evaluate the profile of peri-implant tissues in periodontally compromised patients. Settings and Design: In vivo-cross sectional study design. Materials and Methods: Fifty-eight implants ... -
Reinforced glass-ceramics: Parametric inspection of three-dimensional wear and volumetric loss after chewing simulation
Tribst, João Paulo Mendes; Alves, Larissa Marcia Marques ; Dal Piva, Amanda Maria de Oliveira ; de Melo, Renata Marques ; Borges, Alexandre Luiz Souto ; Paes-Junior, Tarcísio José Arruda ; Bottino, Marco Antonio (Brazilian Dental Journal, 2019) [Artigo]
The aim of this study was to investigate the three-dimensional wear, volumetric loss and surface roughness after chewing simulation of two glass ceramics. Lithium disilicate (LD, Emax CAD, Ivoclar) and Zirconia reinforced ... -
The number of specimens in a furnace affects the biaxial flexural strength of veneered zirconia specimens after sintering
; de Melo, Renata Marques; ; ; ; ; Bottino, Marco Antonio ; (Journal of Adhesion Science and Technology, 2020) [Nota]
This study evaluated the effect of the number of specimens in a furnace during the firing of porcelain-zirconia (Y-TZP) discs on their biaxial flexural strength. Eighty bilayer disc-shaped specimens (∅: 15mm; thickness: ...